PPARG and colorectal carcinoma: To identify novel binding partners which may act as regulators or effectors for cytosolic PPARγ, a matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) protein interaction screen was performed in the aneuploid human CRC cell line SW480, which has mutated alleles of the KRASG12V gene27 and a high amount of extra-nuclear PPARγ.